cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

Quick-add: + add another resource

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <ol data-draggable="target">
  <li data-draggable="item">Item 0</li>
  <li data-draggable="item">Item 1</li>
  <li data-draggable="item">Item 2</li>
  <li data-draggable="item">Item 3</li>
</ol>

<ol data-draggable="target">
  <li data-draggable="item">Item 4</li>
  <li data-draggable="item">Item 5</li>
</ol>

<ol data-draggable="target">
  <li data-draggable="item">Item 6</li>
  <li data-draggable="item">Item 7</li>
</ol>

<ol data-draggable="target">
  <li data-draggable="item">Item 8</li>
</ol>

            
          
!
            
              /* canvas styles */
html, body
{
	font:normal normal normal 100%/1.4 tahoma, sans-serif;
	background:#f9f9f9;
	color:#000;
}
body
{
	font-size:0.8em;
}

/* draggable targets */
[data-draggable="target"]
{
	float:left;
	list-style-type:none;
	
	width:42%;
	height:7.5em;
	overflow-y:auto;
	
	margin:0 0.5em 0.5em 0;
	padding:0.5em;
	
	border:2px solid #888;
	border-radius:0.2em;
	
	background:#ddd;
	color:#555;
}

/* draggable items */
[data-draggable="item"]
{
	display:block;
	list-style-type:none;
	
	margin:0 0 2px 0;
	padding:0.2em 0.4em;
	
	border-radius:0.2em;
	
	line-height:1.3;
}

            
          
!
            
              (function()
{

	//exclude older browsers by the features we need them to support
	//and legacy opera explicitly so we don't waste time on a dead browser
	if
	(
		!document.querySelectorAll 
		|| 
		!('draggable' in document.createElement('span')) 
		|| 
		window.opera
	) 
	{ return; }
	
	//get the collection of draggable items and add their draggable attribute
	for(var 
		items = document.querySelectorAll('[data-draggable="item"]'), 
		len = items.length, 
		i = 0; i < len; i ++)
	{
		items[i].setAttribute('draggable', 'true');
	}

	//variable for storing the dragging item reference 
	//this will avoid the need to define any transfer data 
	//which means that the elements don't need to have IDs 
	var item = null;

	//dragstart event to initiate mouse dragging
	document.addEventListener('dragstart', function(e)
	{
		//set the item reference to this element
		item = e.target;
		
		//we don't need the transfer data, but we have to define something
		//otherwise the drop action won't work at all in firefox
		//most browsers support the proper mime-type syntax, eg. "text/plain"
		//but we have to use this incorrect syntax for the benefit of IE10+
		e.dataTransfer.setData('text', '');
	
	}, false);

	//dragover event to allow the drag by preventing its default
	//ie. the default action of an element is not to allow dragging 
	document.addEventListener('dragover', function(e)
	{
		if(item)
		{
			e.preventDefault();
		}
	
	}, false);	

	//drop event to allow the element to be dropped into valid targets
	document.addEventListener('drop', function(e)
	{
		//if this element is a drop target, move the item here 
		//then prevent default to allow the action (same as dragover)
		if(e.target.getAttribute('data-draggable') == 'target')
		{
			e.target.appendChild(item);
			
			e.preventDefault();
		}
	
	}, false);
	
	//dragend event to clean-up after drop or abort
	//which fires whether or not the drop target was valid
	document.addEventListener('dragend', function(e)
	{
		item = null;
	
	}, false);

})();	

            
          
!
999px
Loading ..................

Console